Elliptical machine



FIG. 1 is a top, front, right side perspective view of an elliptical machine showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The short dash-long dash broken lines illustrate boundaries of the claimed design and form no part of the claimed design. The dash-dash broken lines illustrate portions of the elliptical machine that form no part of the claimed design. 

CLAIM The ornamental design for an elliptical machine, as shown and described. 